MADAGASCAR SAPPHIRE AND DIAMOND RING. Platinum 900. Very elegant ring, the top set with 1 rare, untreated sapphire from Madagascar, of 14.00 ct, cushion-shape and very fine quality in royal blue, flanked by 6 diamond droplets totalling ca. 2.40 ct. Size 55. With Report No. 0611095 from Gübelin-Gemlab, 2006.